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Finding the Fourth Proportional to 5,361.62, 7,399.04 and 3,003.78

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Solution

The fourth proportional to 5,361.62, 7,399.04 and 3,003.78 is: 4,145.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.62 : 7,399.04 = 3,003.78 : x
  2. Step 2: Convert to fraction form
    5,361.62/7,399.04 = 3,003.78/x
  3. Step 3: Cross multiply
    5,361.62x = 7,399.04 × 3,003.78
  4. Step 4: Simplify right side
    5,361.62x = 22,225,088.37
  5. Step 5: Solve for x
    x = 22,225,088.37/5,361.62
  6. Step 6: Final answer
    x = 4,145.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.